E Lites electronic cigarette review Nicotine ECigarettes Help Smokers Quit Review Concludes Powers Health Nicotine e cigarettes are more effective in helping people quit smoking than conventional nicotine replacement therapy (NRT), according to the latest review of 88 studies (from US, UK, Italy) and more than 27,235 participants : Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published THOUGHTS? Sen. Richard Blumenthal criticized the move, calling it a massive gift to vaping companies.